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lina2011 [118]
3 years ago
13

What is -5 + 12 - 4​

Mathematics
2 answers:
balu736 [363]3 years ago
8 0

Answer:

3

hope this helps

nata0808 [166]3 years ago
8 0

Answer:

3

Step-by-step explanation:

A negative plus a positive adds closer to zero, so negative five plus twelve is seven. A positive minus a positive is going closer towards zero, so there.

So, your answer is three!

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Cubic yards of concrete will be required for 14 parking lot light pole standards
riadik2000 [5.3K]

Using conversion of units and volume of a cylinder, it is found that 23.17 cubic yards of concrete are needed, option D.

The volume of a cylinder of radius r and height h is given by:

V = \pi r^2h

In this problem:

  • We want the volume in cubic yards, thus, the units of radius and height have to be in yards.
  • 32 inches in diameter, thus 16 inches of radius. Since each inch has 0.0278 yards, this is a radius of 0.44 yards, thus r = 0.44.
  • Height of 8 feet, and since each feet has 0.33 yards, this is a height of 2.67 yards, thus h = 2.67
  • 14 poles, thus the volume is multiplied by 14.

Then:

V = 14\pi(0.44)^2(2.67) = 23.17

23.17 cubic yards of concrete are needed, option D.

A similar problem is given at brainly.com/question/22789697

3 0
3 years ago
Adult humans have approximately 2.6 red blood cells and 3.92 white blood cells. About how many times greater is the number of re
kifflom [539]

Answer:

1.5 rounded to the nearest tenth

Step-by-step explanation:

To find how much greater WBC are from RBC we do,

3.92 ÷ 2.6

= 1.50769230769

Which is 1.5 rounded to the nearest tenth.

<em>Thus,</em>

<em>there are approximately 1.5 times WBC than RBC.</em>

<em />

<em>Hope this helps :)</em>

4 0
3 years ago
Did I get it correct?
VikaD [51]

Answer:

No they are proprotional.

Step-by-step explanation:

the tables eqaution is

y=3x+1

7 0
2 years ago
Read 2 more answers
What type of number results when a positive number is divided by a negative number and vice versa.
True [87]
The answer is C.

When a positive and negative number are multipled or divided, the result is negative.
3 0
3 years ago
Becky is renting a car for her vacation. The rental costs $350 per week plus 20 cents per mile. If Becky can spend no more than
gladu [14]
350+.20m=500
So the answer is C.

3 0
3 years ago
Read 2 more answers
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